Lexus ES: Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT MAIN RELAY (EFI-MAIN NO. 1)
| (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the main relay (EFI-MAIN NO. 1). |
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2. INSPECT MAIN RELAY (EFI-MAIN NO. 2)
| (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the main relay (EFI-MAIN NO. 2). |
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3. INSPECT MAIN RELAY (A/F HTR)
| (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the main relay (A/F HTR). |
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4. INSPECT ELECTRONIC DRIVER UNIT RELAY (D INJ)
| (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the electronic driver unit relay (D INJ). |
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5. INSPECT NO. 2 IGNITION RELAY (IG2 NO. 1)
| (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the No. 2 ignition relay (IG2 NO. 1). |
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Precaution
PRECAUTION INITIALIZATION NOTICE:
Before replacing the ECM, refer to Registration.
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Perform Registration (VIN registration) after replacing the ECM.
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Perform Learning
Definition Of Terms
DEFINITION OF TERMS Term Definition Monitor Description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details). Related DTCs Group of di
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TRAC does not Operate
DESCRIPTION When ABS, TRAC or VSC is operating, the skid control ECU (brake booster with master cylinder assembly) blinks the slip indicator light to inform the driver that slippage occurred. When in VSC off mode, or TRAC and VSC are disabled, the multi-information display in the combination meter a
Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE END COVER (a) Using a T30 "TORX" socket wrench, remove the 5 screws and end cover. NOTICE:
Hold the pump so that the pump installation surface, fitting parts and oil pipe will not be damaged.
As the housing deforms when force is applied, do not secure the ho
